734 has 4 divisors (see below), whose sum is σ = 1104.
Its totient is φ = 366.
The previous prime is 733. The next prime is 739. The reversal of 734 is 437.
Adding to 734 its product of digits (84), we get a palindrome (818).
It can be divided in two parts, 73 and 4, that multiplied together give a palindrome (292).
734 = 122 + 132 + ... + 152.
734 is nontrivially palindromic in base 4.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 437 = 19 ⋅23.
It is an Ulam number.
It is a plaindrome in base 8, base 13, base 15 and base 16.
It is a nialpdrome in base 6.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (733) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182 + ... + 185.
It is an arithmetic number, because the mean of its divisors is an integer number (276).
734 is a deficient number, since it is larger than the sum of its proper divisors (370).
734 is a wasteful number, since it uses less digits than its factorization.
734 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 369.
The product of its digits is 84, while the sum is 14.
The square root of 734 is about 27.0924343683.
The cubic root of 734 is about 9.0205292682.
The spelling of 734 in words is "seven hundred thirty-four", and thus it is an aban number.